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-rw-r--r--arch/mips/au1000/mtx-1/board_setup.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c
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+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * 4G Systems MTX-1 board setup.
+ *
+ * Copyright 2003 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ppopov@mvista.com or source@mvista.com
+ * Bruno Randolf <bruno.randolf@4g-systems.biz>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/mach-au1x00/au1000.h>
+
+void board_reset (void)
+{
+ /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+ au_writel(0x00000000, 0xAE00001C);
+}
+
+void __init board_setup(void)
+{
+#if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
+#ifdef CONFIG_AU1X00_USB_DEVICE
+ // 2nd USB port is USB device
+ au_writel(au_readl(SYS_PINFUNC) & (u32)(~0x8000), SYS_PINFUNC);
+#endif
+ // enable USB power switch
+ au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR );
+ au_writel( 0x100000, GPIO2_OUTPUT );
+#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
+
+#ifdef CONFIG_PCI
+#if defined(__MIPSEB__)
+ au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+#else
+ au_writel(0xf, Au1500_PCI_CFG);
+#endif
+#endif
+
+ // initialize sys_pinfunc:
+ // disable second ethernet port (SYS_PF_NI2)
+ // set U3/GPIO23 to GPIO23 (SYS_PF_U3)
+ au_writel( SYS_PF_NI2 | SYS_PF_U3, SYS_PINFUNC );
+
+ // initialize GPIO
+ au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR );
+ au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF
+ au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF
+ au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF
+
+ // enable LED and set it to green
+ au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR );
+ au_writel( 0x18000800, GPIO2_OUTPUT );
+
+ printk("4G Systems MTX-1 Board\n");
+}